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The main application of polyurethane resin for leather surface treatment is leather processing, leather products manufacturing, etc. It can make the leather surface show a uniform coating, improve the durability, beauty and comfort of the leather. Polyurethane resin is the main component of polyurethane resin used for leather surface treatment, it has good flexibility and wear resistance, can improve the durability and service life of leather, and is widely used in leather surface treatment